Gaya APA

dkk., J, P, P. (2008). Interlanguage: English for Senior High School Students XI Science and Social Study Programme . Pusat Perbukuan Departemen Pen: Jakarta.

Gaya MLA

dkk., Joko, Priyana,, Ph.D,. "Interlanguage: English for Senior High School Students XI Science and Social Study Programme". Pusat Perbukuan Departemen Pen: Jakarta, 2008. Text.